# Change the following to True to get a much more comprehensive set of tests
# to run, albeit, which take considerably longer.

full_tests = False

def test(fmt, *args):
 print('{:8s}'.format(fmt) + '>' + fmt.format(*args) + '<')

def test_fmt(conv, fill, alignment, sign, prefix, width, precision, type, arg):
 fmt = '{'
 if conv:
 fmt += '!'
 fmt += conv
 fmt += ':'
 if alignment:
 fmt += fill
 fmt += alignment
 fmt += sign
 fmt += prefix
 fmt += width
 if precision:
 fmt += '.'
 fmt += precision
 fmt += type
 fmt += '}'
 test(fmt, arg)
 if fill == '0' and alignment == '=':
 fmt = '{:'
 fmt += sign
 fmt += prefix
 fmt += width
 if precision:
 fmt += '.'
 fmt += precision
 fmt += type
 fmt += '}'
 test(fmt, arg)

eg_nums = (0.0, -0.0, 0.1, 1.234, 12.3459, 1.23456789, 123456789.0, -0.0,
 -0.1, -1.234, -12.3459, 1e4, 1e-4, 1e5, 1e-5, 1e6, 1e-6, 1e10,
 1e37, -1e37, 1e-37, -1e-37,
 1.23456e8, 1.23456e7, 1.23456e6, 1.23456e5, 1.23456e4, 1.23456e3, 1.23456e2, 1.23456e1, 1.23456e0,
 1.23456e-1, 1.23456e-2, 1.23456e-3, 1.23456e-4, 1.23456e-5, 1.23456e-6, 1.23456e-7, 1.23456e-8,
 -1.23456e8, -1.23456e7, -1.23456e6, -1.23456e5, -1.23456e4, -1.23456e3, -1.23456e2, -1.23456e1, -1.23456e0,
 -1.23456e-1, -1.23456e-2, -1.23456e-3, -1.23456e-4, -1.23456e-5, -1.23456e-6, -1.23456e-7, -1.23456e-8)

if full_tests:
 for type in ('e', 'E', 'g', 'G', 'n'):
 for width in ('', '4', '6', '8', '10'):
 for alignment in ('', '<', '>', '=', '^'):
 for fill in ('', '@', '0', ' '):
 for sign in ('', '+', '-', ' '):
 for prec in ('', '1', '3', '6'):
 for num in eg_nums:
 test_fmt('', fill, alignment, sign, '', width, prec, type, num)

# Note: We use 1.23459 rather than 1.2345 because '{:3f}'.format(1.2345)
# rounds differently than print("%.3f", 1.2345);

f_nums = (0.0, -0.0, 0.0001, 0.001, 0.01, 0.1, 1.0, 10.0,
 0.0012, 0.0123, 0.1234, 1.23459, 12.3456,
 -0.0001, -0.001, -0.01, -0.1, -1.0, -10.0,
 -0.0012, -0.0123, -0.1234, -1.23459, -12.3456)

if full_tests:
 for type in ('f', 'F'):
 for width in ('', '4', '6', '8', '10'):
 for alignment in ('', '<', '>', '=', '^'):
 for fill in ('', ' ', '0', '@'):
 for sign in ('', '+', '-', ' '):
 # An empty precision defaults to 6, but when uPy is
 # configured to use a float, we can only use a
 # precision of 6 with numbers less than 10 and still
 # get results that compare to CPython (which uses
 # long doubles).
 for prec in ('1', '2', '3'):
 for num in f_nums:
 test_fmt('', fill, alignment, sign, '', width, prec, type, num)
 for num in int_nums2:
 test_fmt('', fill, alignment, sign, '', width, '', type, num)

pct_nums1 = (0.1, 0.58, 0.99, -0.1, -0.58, -0.99)
pct_nums2 = (True, False, 1, 0, -1)

if full_tests:
 type = '%'
 for width in ('', '4', '6', '8', '10'):
 for alignment in ('', '<', '>', '=', '^'):
 for fill in ('', ' ', '0', '@'):
 for sign in ('', '+', '-', ' '):
 # An empty precision defaults to 6, but when uPy is
 # configured to use a float, we can only use a
 # precision of 6 with numbers less than 10 and still
 # get results that compare to CPython (which uses
 # long doubles).
 for prec in ('1', '2', '3'):
 for num in pct_nums1:
 test_fmt('', fill, alignment, sign, '', width, prec, type, num)
 for num in pct_nums2:
 test_fmt('', fill, alignment, sign, '', width, '', type, num)
else:
 for num in pct_nums1:
 test_fmt('', '', '', '', '', '', '1', '%', num)

# We don't currently test a type of '' with floats (see the detailed comment
# in objstr.c)